As the host of the meeting, check if the meeting ID appears on the meetings page in the Zoom web portal.

If you are seeing an invalid meeting ID message when trying to start your meeting, it is likely that the meeting ID has expired or was deleted.When viewing your Profile page or Personal Room settings page after it has been deleted, a new PMI will be automatically assigned to you.Your Personal Meeting ID (PMI) will also expire, if you haven't started it for 365 days, as it is essentially a no-fixed time recurring meeting.Webinars are deleted 90 days after the scheduled end time or last modification.Webinar IDs will expire and be unusable past the webinars scheduled end-time if the webinar is not currently in progress.Note: When scheduling meetings with the Outlook or Google Calendar integrations, especially recurring meetings, please refer to the Zoom web portal for the most accurate scheduled date/time information. You can re-use the meeting ID for future occurrences, resetting the 365 day timer.A recurring meeting ID expires if you haven't started a meeting occurrence for 365 days.Scheduled meetings can be started at any time before the scheduled time as long as the meeting ID is not expired or deleted.If you restart the same meeting ID within the 30 days, it will remain valid for another 30 days. A scheduled, non-recurring meeting ID (also known as a one-time meeting ID) will expire 30 days after the scheduled date.If the meeting doesn’t appear in your upcoming or previous meeting list in the web portal, it can't be started.You can start your scheduled meetings at any time after you scheduled them.An instant meeting ID expires when the instant meeting ends.Locating the meeting ID for a scheduled meeting.Locating the meeting ID during a meeting.

Meetings scheduled prior to Apmay be 9-digits long. The 10-digit number is used for Personal Meeting IDs. The 11-digit number is used for instant, scheduled or recurring meetings. The meeting ID can be a 10 or 11-digit number. The meeting ID is the meeting number associated with an instant or scheduled meeting.

How to get a zoom meeting id